Home / 511,372.41-766,935.59-156,389.51

Finding the Fourth Proportional to 511,372.41, 766,935.59 and 156,389.51

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Solution

The fourth proportional to 511,372.41, 766,935.59 and 156,389.51 is: 234,546.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,372.41 : 766,935.59 = 156,389.51 : x
  2. Step 2: Convert to fraction form
    511,372.41/766,935.59 = 156,389.51/x
  3. Step 3: Cross multiply
    511,372.41x = 766,935.59 × 156,389.51
  4. Step 4: Simplify right side
    511,372.41x = 119,940,676,505.04
  5. Step 5: Solve for x
    x = 119,940,676,505.04/511,372.41
  6. Step 6: Final answer
    x = 234,546.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.